<%@ page import="java.sql.Connection" %>
<%@ page import="java.sql.DriverManager" %>
<%@ page import="java.sql.PreparedStatement" %><%--
  Created by IntelliJ IDEA.
  User: 113
  Date: 2020/10/21
  Time: 9:33
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<jsp:useBean id="user" class="bean.UserBean"></jsp:useBean>
<jsp:setProperty name="user" property="*"></jsp:setProperty>
<%
    Class.forName("com.mysql.jdbc.Driver");
    String url="jdbc:mysql://localhost:3306/book";
    Connection connection = DriverManager.getConnection(url, "root", "root");
    String sql="update user set username=?,password=?,gender=?,age=? where id=?";
    PreparedStatement ps = connection.prepareStatement(sql);
    ps.setString(1,user.getUsername());
    ps .setString(2,user.getPassword());
    ps.setInt(3,user.getGender());
    ps.setInt(4,user.getAge());
    ps.setInt(5,user.getId());

    int count=ps.executeUpdate();
    if(count>0)
    {
        out.print("修改成功");
    }else {
        out.print("修改失败");

    }
    response.setHeader("refresh","3;url=home.jsp");
%>